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Finding the Fourth Proportional to 44,677.50, 61,770.15 and 42,719.10

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Solution

The fourth proportional to 44,677.50, 61,770.15 and 42,719.10 is: 59,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,677.50 : 61,770.15 = 42,719.10 : x
  2. Step 2: Convert to fraction form
    44,677.50/61,770.15 = 42,719.10/x
  3. Step 3: Cross multiply
    44,677.50x = 61,770.15 × 42,719.10
  4. Step 4: Simplify right side
    44,677.50x = 2,638,765,214.87
  5. Step 5: Solve for x
    x = 2,638,765,214.87/44,677.50
  6. Step 6: Final answer
    x = 59,062.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.